Humidifier tub



FIG. 1 is a perspective view of a humidifier tub according to ourdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

The ornamental appearance of a humidifier tub, as shown.